389675820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{72973}}^1$

素因数の和:73074

約数の個数: 48

約数和(自身を含む): 1103366880

約数和(自身を除く): 713691060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 72973, 145946, 218919, 291892, 364865, 437838, 729730, 875676, 1094595, 1459460, 2189190, 4378380, 6494597, 12989194, 19483791, 25978388, 32472985, 38967582, 64945970, 77935164, 97418955, 129891940, 194837910, 389675820]

約数ペア:

[(1, 389675820), (2, 194837910), (3, 129891940), (4, 97418955), (5, 77935164), (6, 64945970), (10, 38967582), (12, 32472985), (15, 25978388), (20, 19483791), (30, 12989194), (60, 6494597), (89, 4378380), (178, 2189190), (267, 1459460), (356, 1094595), (445, 875676), (534, 729730), (890, 437838), (1068, 364865), (1335, 291892), (1780, 218919), (2670, 145946), (5340, 72973)]